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// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef FDBUF__FDIBUF__H__
#define FDBUF__FDIBUF__H__
#include "fdbuf.h"
class fdibuf : protected fdbuf
{
public:
fdibuf(const char* filename, unsigned bufsz = FDBUF_SIZE);
fdibuf(int fdesc, bool dc = false, unsigned bufsz = FDBUF_SIZE);
virtual ~fdibuf();
bool close() { lock(); bool r = fdbuf::close(); unlock(); return r; }
bool eof() const;
bool operator!() const ;
operator bool() const { return !operator!(); }
virtual bool get(char& ch);
virtual bool getline(mystring& out, char terminator = '\n');
virtual bool getnetstring(mystring& out);
virtual bool read(char*, unsigned);
virtual bool read_large(char*, unsigned);
bool read(unsigned char* b, unsigned l) { return read((char*)b, l); }
bool read(signed char* b, unsigned l) { return read((char*)b, l); }
unsigned last_count() { return count; }
bool seek(unsigned o);
bool seekfwd(unsigned o);
bool rewind() { return seek(0); }
unsigned tell() const { return offset-buflength+bufstart; }
int error_number() const { return errnum; }
protected:
unsigned count; // Number of bytes read by last operation
bool refill();
virtual ssize_t _read(char*, ssize_t);
};
extern fdibuf fin;
#endif // FDBUF__FDIBUF__H__
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